LOINC Code 53684-7: Fetal Ear - left Maximum length US

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Length.max. It is commonly used with the system or sample type Ear.left^Fetus.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Observation
• Method: US.measured

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Fetal Ear - left Maximum length US
• Length.max
• The fetal ear is visualized in a coronal view and the maximal length is measured with calipers on the screen.
• Ear-L; Echography; Fetal; Gyn; Gynecology; Hearing; L; Largest; Len; Length; LT; Maximal; Maximum; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Otologic; Peak; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound; US+Meas

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions